V. Brüll

Higher plasma quercetin levels following oral administration of an onion skin extract compared with pure quercetin dihydrate in humans

P. Stehle, S. Wolffram, B. Stoffel‐Wagner, 2017, European Journal of Nutrition.

Effects of a quercetin-rich onion skin extract on 24 h ambulatory blood pressure and endothelial function in overweight-to-obese patients with (pre-)hypertension: a randomised double-blinded placebo-controlled cross-over trial

R. Fimmers, P. Stehle, S. Wolffram, 2015, British Journal of Nutrition.

No effects of quercetin from onion skin extract on serum leptin and adiponectin concentrations in overweight-to-obese patients with (pre-)hypertension: a randomized double-blinded, placebo-controlled crossover trial

R. Fimmers, P. Stehle, S. Wolffram, 2017, European Journal of Nutrition.

Acute intake of quercetin from onion skin extract does not influence postprandial blood pressure and endothelial function in overweight-to-obese adults with hypertension: a randomized, double-blind, placebo-controlled, crossover trial

R. Fimmers, P. Stehle, S. Wolffram, 2017, European Journal of Nutrition.